Current Conditions and Heat Index
Sherman, Texas, is currently under the influence of very hot and oppressively humid air. As of this Tuesday afternoon, the air temperature stands at 86F, but the heat index makes it feel like 95F. The relative humidity is at 70%, with a dew point of 75F contributing to the muggy atmosphere. Winds are light from the south southwest at around 5 mph, with gusts reaching 11 mph. The sky remains partly cloudy, offering little relief from the sun.
Today and Tonight Forecast
Temperatures will climb to a high near 89F today. The National Weather Service indicates a slight chance of rain showers before 4pm, followed by a chance of showers and thunderstorms later in the day. The sky will be mostly cloudy with a high near 89. Heat index values are expected to reach as high as 99. South southwest winds will remain around 5 mph. The chance of precipitation is 30%, with new rainfall amounts less than a tenth of an inch possible.
Tonight, conditions will remain mostly cloudy with a low around 76. A chance of showers and thunderstorms persists, keeping the heat index high at 99. South southeast winds will continue around 5 mph. The chance of precipitation remains at 30%, with less than a tenth of an inch of rain possible.
Tomorrow Outlook
Tomorrow, the heat will intensify further. Highs will reach near 91F, with heat index values soaring to 100. There is a slight chance of showers and thunderstorms before 1pm, after which the sky will become mostly sunny. South southwest winds will increase slightly to 5 to 10 mph. The chance of precipitation drops to 20%. Tomorrow night will be mostly clear, with lows around 75 and temperatures rising to around 77 overnight. Heat index values will remain high at 100, with south winds of 5 to 10 mph.